1220011344430 has 32 divisors (see below), whose sum is σ = 2202714031104. Its totient is φ = 486518182656.

The previous prime is 1220011344403. The next prime is 1220011344493. The reversal of 1220011344430 is 344431100221.

It is a junction number, because it is equal to n+sod(n) for n = 1220011344395 and 1220011344404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8867122 + ... + 9003658.

It is an arithmetic number, because the mean of its divisors is an integer number (68834813472).

Almost surely, 2^{1220011344430} is an apocalyptic number.

1220011344430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220011344430 is a deficient number, since it is larger than the sum of its proper divisors (982702686674).

1220011344430 is a wasteful number, since it uses less digits than its factorization.

1220011344430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139260.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1220011344430 its reverse (344431100221), we get a palindrome (1564442444651).

The spelling of 1220011344430 in words is "one trillion, two hundred twenty billion, eleven million, three hundred forty-four thousand, four hundred thirty".